NotificationFormatter.swift (6895B)
1 // 2 // NotificationFormatter.swift 3 // DamusNotificationService 4 // 5 // Created by Daniel D’Aquino on 2023-11-13. 6 // 7 8 import Foundation 9 import UserNotifications 10 11 struct NotificationFormatter { 12 static var shared = NotificationFormatter() 13 14 // MARK: - Formatting with NdbNote 15 16 func format_message(event: NdbNote) -> UNMutableNotificationContent? { 17 let content = UNMutableNotificationContent() 18 if let event_json_data = try? JSONEncoder().encode(event), // Must be encoded, as the notification completion handler requires this object to conform to `NSSecureCoding` 19 let event_json_string = String(data: event_json_data, encoding: .utf8) { 20 content.userInfo = [ 21 NDB_NOTE_JSON_USER_INFO_KEY: event_json_string 22 ] 23 } 24 switch event.known_kind { 25 case .text: 26 content.title = NSLocalizedString("Someone posted a note", comment: "Title label for push notification where someone posted a note") 27 content.body = event.content 28 break 29 case .dm: 30 content.title = NSLocalizedString("New message", comment: "Title label for push notifications where a direct message was sent to the user") 31 content.body = NSLocalizedString("(Contents are encrypted)", comment: "Label on push notification indicating that the contents of the message are encrypted") 32 break 33 case .like: 34 guard let reactionEmoji = to_reaction_emoji(ev: event) else { 35 content.title = NSLocalizedString("Someone reacted to your note", comment: "Generic title label for push notifications where someone reacted to the user's post") 36 break 37 } 38 content.title = NSLocalizedString("New note reaction", comment: "Title label for push notifications where someone reacted to the user's post with a specific emoji") 39 content.body = String(format: NSLocalizedString("Someone reacted to your note with %@", comment: "Body label for push notifications where someone reacted to the user's post with a specific emoji"), reactionEmoji) 40 break 41 case .zap: 42 content.title = NSLocalizedString("Someone zapped you ⚡️", comment: "Title label for a push notification where someone zapped the user") 43 break 44 default: 45 return nil 46 } 47 return content 48 } 49 50 // MARK: - Formatting with LocalNotification 51 52 func format_message(displayName: String, notify: LocalNotification) -> (content: UNMutableNotificationContent, identifier: String)? { 53 let content = UNMutableNotificationContent() 54 var title = "" 55 var identifier = "" 56 57 switch notify.type { 58 case .mention: 59 title = String(format: NSLocalizedString("Mentioned by %@", comment: "Mentioned by heading in local notification"), displayName) 60 identifier = "myMentionNotification" 61 case .repost: 62 title = String(format: NSLocalizedString("Reposted by %@", comment: "Reposted by heading in local notification"), displayName) 63 identifier = "myBoostNotification" 64 case .like: 65 title = String(format: NSLocalizedString("%@ reacted with %@", comment: "Reacted by heading in local notification"), displayName, to_reaction_emoji(ev: notify.event) ?? "") 66 identifier = "myLikeNotification" 67 case .dm: 68 title = displayName 69 identifier = "myDMNotification" 70 case .zap, .profile_zap: 71 // not handled here. Try `format_message(displayName: String, notify: LocalNotification, state: HeadlessDamusState) async -> (content: UNMutableNotificationContent, identifier: String)?` 72 return nil 73 } 74 content.title = title 75 content.body = notify.content 76 content.sound = UNNotificationSound.default 77 content.userInfo = notify.to_lossy().to_user_info() 78 79 return (content, identifier) 80 } 81 82 func format_message(displayName: String, notify: LocalNotification, state: HeadlessDamusState) async -> (content: UNMutableNotificationContent, identifier: String)? { 83 // Try sync method first and return if it works 84 if let sync_formatted_message = self.format_message(displayName: displayName, notify: notify) { 85 return sync_formatted_message 86 } 87 88 // If it does not work, try async formatting methods 89 let content = UNMutableNotificationContent() 90 91 switch notify.type { 92 case .zap, .profile_zap: 93 guard let zap = await get_zap(from: notify.event, state: state) else { 94 return nil 95 } 96 content.title = Self.zap_notification_title(zap) 97 content.body = Self.zap_notification_body(profiles: state.profiles, zap: zap) 98 content.sound = UNNotificationSound.default 99 content.userInfo = LossyLocalNotification(type: .zap, mention: .note(notify.event.id)).to_user_info() 100 return (content, "myZapNotification") 101 default: 102 // The sync method should have taken care of this. 103 return nil 104 } 105 } 106 107 // MARK: - Formatting zap utility notifications 108 109 static func zap_notification_title(_ zap: Zap) -> String { 110 if zap.private_request != nil { 111 return NSLocalizedString("Private Zap", comment: "Title of notification when a private zap is received.") 112 } else { 113 return NSLocalizedString("Zap", comment: "Title of notification when a non-private zap is received.") 114 } 115 } 116 117 static func zap_notification_body(profiles: Profiles, zap: Zap, locale: Locale = Locale.current) -> String { 118 let src = zap.request.ev 119 let pk = zap.is_anon ? ANON_PUBKEY : src.pubkey 120 121 let profile_txn = profiles.lookup(id: pk) 122 let profile = profile_txn?.unsafeUnownedValue 123 let name = Profile.displayName(profile: profile, pubkey: pk).displayName.truncate(maxLength: 50) 124 125 let sats = NSNumber(value: (Double(zap.invoice.amount) / 1000.0)) 126 let formattedSats = format_msats_abbrev(zap.invoice.amount) 127 128 if src.content.isEmpty { 129 let format = localizedStringFormat(key: "zap_notification_no_message", locale: locale) 130 return String(format: format, locale: locale, sats.decimalValue as NSDecimalNumber, formattedSats, name) 131 } else { 132 let format = localizedStringFormat(key: "zap_notification_with_message", locale: locale) 133 return String(format: format, locale: locale, sats.decimalValue as NSDecimalNumber, formattedSats, name, src.content) 134 } 135 } 136 }